<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <el-row :gutter="20">
        <!-- 搜索框 -->
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getGoosList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getGoosList"
            ></el-button>
          </el-input>
        </el-col>
        <!-- 添加商品按钮 -->
        <el-col :span="4">
          <el-button type="primary" @click="goAddPage">
            添加商品
          </el-button>
        </el-col>
      </el-row>
      <!-- 商品列表 -->
      <el-table :data="goodsList" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column prop="goods_name" label="商品名称"></el-table-column>
        <el-table-column
          prop="goods_price"
          label="商品价格(元)"
          width="95px"
        ></el-table-column>
        <el-table-column prop="goods_weight" label="商品重量" width="70px">
        </el-table-column>
        <el-table-column prop="add_time" label="创建时间" width="140px">
          <template slot-scope="scope">
            {{ scope.row.add_time | dateFormat }}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini">
            </el-button>
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeById(scope.row.goods_id)"
            >
            </el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页栏 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[10, 30, 50, 100]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 查询参数
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodsList: [],
      // 商品总条数
      total: 0
    }
  },
  created() {
    this.getGoosList()
  },
  methods: {
    // 获取商品列表
    async getGoosList() {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败！！！')
      }
      this.$message.success('获取商品列表成功！！！')
      this.goodsList = res.data.goods
      this.total = res.data.total
      console.log(res)
    },

    handleSizeChange(newsize) {
      this.queryInfo.pagesize = newsize
      this.getGoosList()
    },

    handleCurrentChange(newpage) {
      this.queryInfo.pagenum = newpage
      this.getGoosList()
    },
    // 点击删除按钮
    async removeById(id) {
      const confirmRes = await this.$confirm(
        '此操作将永久删除该商品, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)
      if (confirmRes !== 'confirm') {
        return this.$message.info('已经取消删除!!!')
      }
      const { data: res } = await this.$http.delete('goods/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除商品失败！！！')
      }
      this.$message.success('删除商品成功！！！')
      this.getGoosList()
    },
    // 点击添加商品按钮，跳转到商品添加页
    goAddPage() {
      this.$router.push('/goods/add')
    }
  }
}
</script>

<style></style>
